EP0987535A3 - Method and apparatus for analyzing a sample of cells - Google Patents

Method and apparatus for analyzing a sample of cells Download PDF

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Publication number
EP0987535A3
EP0987535A3 EP99123114A EP99123114A EP0987535A3 EP 0987535 A3 EP0987535 A3 EP 0987535A3 EP 99123114 A EP99123114 A EP 99123114A EP 99123114 A EP99123114 A EP 99123114A EP 0987535 A3 EP0987535 A3 EP 0987535A3
Authority
EP
European Patent Office
Prior art keywords
container
cells
scanned images
data
neighborhood
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99123114A
Other languages
German (de)
French (fr)
Other versions
EP0987535A2 (en
Inventor
Ning L. Sizto
Louis J. Dietz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biometric Imaging Inc
Original Assignee
Biometric Imaging Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Biometric Imaging Inc filed Critical Biometric Imaging Inc
Publication of EP0987535A2 publication Critical patent/EP0987535A2/en
Publication of EP0987535A3 publication Critical patent/EP0987535A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/69—Microscopic objects, e.g. biological cells or cellular parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Electro-optical investigation, e.g. flow cytometers
    • G01N15/1468—Electro-optical investigation, e.g. flow cytometers with spatial resolution of the texture or inner structure of the particle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/968—High energy substrates, e.g. fluorescent, chemiluminescent, radioactive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/973—Simultaneous determination of more than one analyte
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S436/00—Chemistry: analytical and immunological testing
    • Y10S436/805—Optical property

Abstract

A method and an apparatus for analyzing a material within a container, such as blood within a capillary in a volumetric cytometry system provides for detecting the edges of the container, counting the cells within the container, characterizing the cells within the container, and evaluating channels of data which contain information relevant to more than one of the detectable characteristics of the cells. A scanner scans a container of material including certain cells. Sampling circuitry is coupled to the scanner to generate scanned images of the material in the container. Two or more scanned images are generated based on fluorescence data from dyes that have overlapping spectra. The two scanned images are processed using a linear regression analysis among corresponding pixels in the scanned images near certain cells to characterize relative contents of two fluorescing dyes in a target cell. Target cells are identified from the scanned images using processing resources which identify a peak sample within a neighborhood, and compare the amplitude of the peak with the amplitude of pixels on the perimeter of the neighborhood. Upon identifying a target cell in this manner, data from the plurality of scanned images corresponding to the identified cell are saved for further analysis.
EP99123114A 1994-05-02 1995-05-02 Method and apparatus for analyzing a sample of cells Withdrawn EP0987535A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US236645 1994-05-02
US08/236,645 US5556764A (en) 1993-02-17 1994-05-02 Method and apparatus for cell counting and cell classification
EP95302975A EP0681177B1 (en) 1994-05-02 1995-05-02 Method and apparatus for cell counting and cell classification

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP95302975.8 Division 1995-05-02

Publications (2)

Publication Number Publication Date
EP0987535A2 EP0987535A2 (en) 2000-03-22
EP0987535A3 true EP0987535A3 (en) 2001-03-21

Family

ID=22890377

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99123114A Withdrawn EP0987535A3 (en) 1994-05-02 1995-05-02 Method and apparatus for analyzing a sample of cells
EP95302975A Expired - Lifetime EP0681177B1 (en) 1994-05-02 1995-05-02 Method and apparatus for cell counting and cell classification

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP95302975A Expired - Lifetime EP0681177B1 (en) 1994-05-02 1995-05-02 Method and apparatus for cell counting and cell classification

Country Status (6)

Country Link
US (2) US5556764A (en)
EP (2) EP0987535A3 (en)
JP (1) JP3591911B2 (en)
AT (1) ATE194710T1 (en)
CA (1) CA2148204A1 (en)
DE (1) DE69517864T2 (en)

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US5556764A (en) 1996-09-17
EP0681177A1 (en) 1995-11-08
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JP3591911B2 (en) 2004-11-24
EP0987535A2 (en) 2000-03-22
DE69517864T2 (en) 2001-03-15
ATE194710T1 (en) 2000-07-15
CA2148204A1 (en) 1995-11-03
JPH0854333A (en) 1996-02-27
EP0681177B1 (en) 2000-07-12
US5962238A (en) 1999-10-05

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